Home / 12,440.30-17,154.45-9,608.13

Finding the Fourth Proportional to 12,440.30, 17,154.45 and 9,608.13

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Solution

The fourth proportional to 12,440.30, 17,154.45 and 9,608.13 is: 13,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.30 : 17,154.45 = 9,608.13 : x
  2. Step 2: Convert to fraction form
    12,440.30/17,154.45 = 9,608.13/x
  3. Step 3: Cross multiply
    12,440.30x = 17,154.45 × 9,608.13
  4. Step 4: Simplify right side
    12,440.30x = 164,822,185.68
  5. Step 5: Solve for x
    x = 164,822,185.68/12,440.30
  6. Step 6: Final answer
    x = 13,249.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.